On Thursday 06 November 2014 12:47:19 John Thornton did opine And Gene did reply: > That does look like a cut and paste error where the description got > separated from the example it pertained to. > > JT > > On 11/6/2014 2:57 AM, Churms, Cecil wrote: > > I believe the following snippet from the G%20Codes.html page on the > > site is dodgy. Alternatively, I am seriously not understanding > > something. E.g. I cannot figure out a reason why from Z0, (on the > > first line) you get to Z=9 via a Z-1 command on the second line. > > > > I just thought I would let the documentation maintainers know about > > it, for when they do their next corrections run. > > > > [ Not a complaint, just trying to be helpful] > > > > Regards > > > > Cecil > > > > G2 Example Line > > G0 X0 Y0 Z0 > > G17 G2 X10 Y16 I3 J4 Z-1 (helix arc with Z added) > > P word Example > > G0 X0 Y0 Z0 > > G2 X0 Y1 Z-1 I1 J0.5 P2 F25 > > The above example line will make a clockwise (as viewed from the > > positive Z-axis) circular or helical arc whose axis is parallel to > > the Z-axis, ending where X=10, Y=16, and Z=9, with its center offset > > in the X direction by 3 units from the current X location and offset > > in the Y direction by 4 units from the current Y location. If the > > current location has X=7, Y=7 at the outset, the center will be at > > X=10, Y=11. If the starting value of Z is 9, this is a circular arc; > > otherwise it is a helical arc. The radius of this arc would be 5. > > > > [Description: cid:[email protected]] > > > > Dr Cecil L Churms > > Principal Scientist > > DebTech > > De Beers Group Services (Pty) Ltd
I have to agree Big John, I have tried to make sense out of that, and put the printout down in utter confusion too many time already. It appears Cecil will be looking at it in a bit. Thank you in advance Cecil. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
